浅析空气分离方法和工艺流程的选择  

Analysis of Selection of Air Separation Method and Process Flow

作　　者：赵乾浩 ZHAO Qianhao(Methanol Branch,Ningxia Coal Industry Co.,Ltd.of China Energy Group,Yinchuan,Ningxia,750000,China)

机构地区：[1]国家能源集团宁夏煤业有限责任公司甲醇分公司,宁夏银川750000

出　　处：《工程建设（维泽科技）》2020年第1期33-35,共3页Engineering Construction

摘　　要：空气分离其实质就是结合空气中存在的所有成分的物理性质的不同,利用专业的分离方式以及低温分离模式,将空气中存的氮和氧成分进行彻底的分离,或者是将氮和氧成分进行提取的一种流程方法。在针对空气分离系统进行设计的时候,工作人员务必要从多个角度来对空气分离设备的实际工艺技术和流程进行全面的了解,并且要充分的结合使用者的实际情况和需求,对工作实际情况进行综合分析研究,从而为用户设计出最佳的空气分离工艺和流程。在设计的时候,务必要注意不要一味地追求新的工艺和技术的只用,而是要对工艺流程的高效性和经济性加以保证。文章介绍了变压吸附分离、膜分离和低温分离三种空气分离技术的原理和流程。并对三种分离技术的工艺流程特点进行了对比分析。Essence of air separation is to combine different physical properties of all components,use professional separation methods and low-temperature separation mode to completely separate nitrogen and oxygen components in the air,or a process method to extract nitrogen and oxygen components.In design of air separation system,staff must have a comprehensive understanding of actual process technology and process of air separation equipment from multiple perspectives,and fully combine actual situation and requirements of users to conduct comprehensive analysis and research on actual situation of work,so as to design best air separation process and process for users.In the design,we must not pay attention to blindly pursue use of new process and technology,but to ensure efficiency and economy of process.This paper introduces principle and process of PSA separation,membrane separation and low temperature separation and compares and analyzes process characteristics of the three separation technologies.

关 键 词：空分 变压吸附分离 膜分离 低温分离 内压缩 外压缩 

分 类 号：TQ116.1[化学工程—无机化工]